Security Domain Lead — Cloud & Platform Engineering

Government Technology Agency; Singapore; On-site; SGD 180,000 - 260,000; Full time

Benefits offered by this job

Flexible work arrangements

Total rewards and wellbeing programs

Job summary

Government Technology Agency is seeking a senior security leader to own GCC security posture across multiple product teams and cloud environments. You will design and evolve threat modelling, escalation frameworks, and incident playbooks while driving tooling strategy and a Champions network.

You will influence without authority across engineering teams and shape platform security for Singapore's public sector cloud.

Qualifications

• Architectural security expertise, not just operations.
• Ability to influence across multiple engineering teams.
• Experience building scalable security processes and runbooks.
• Capability to review designs and read code with credibility.

Responsibilities

• Own security posture across product teams and cloud environments.
• Architect security frameworks integrated into engineering workflows.
• Design threat modelling methodologies for multi-cloud contexts.
• Define escalation paths, incident playbooks, and response measures.
• Drive security tooling strategy and alerting thresholds.
• Lead cross-org security forums and champion programs.

Skills

Deep security engineering

Influence without authority

Security processes that scale

Code review & design critique

Clear, structured communication

Ambiguity handling

Scripting: Python & Bash

Cloud security fundamentals

Tools

Terraform

GitLab CI/CD

OPA/Sentinel

Job description

Government Technology Agency is seeking a senior security leader to own GCC security posture across multiple product teams and cloud environments. You will design and evolve threat modelling, escalation frameworks, and incident playbooks while driving tooling strategy and a Champions network.

You will influence without authority across engineering teams and shape platform security for Singapore's public sector cloud.